-ius
See also: ius, Ius, and IUs
Latin
Pronunciation
- (Classical) IPA(key): /i.us/, [i.ʊs] (stressed on the antepenult)
Etymology 1
From Old Latin -ios, from Proto-Indo-European *-yós.
Suffix
-ius m (feminine -ia, neuter -ium); first/second declension
- forming adjectives from nouns
Declension
First/second declension.
Number | Singular | Plural | |||||
---|---|---|---|---|---|---|---|
Case / Gender | Masculine | Feminine | Neuter | Masculine | Feminine | Neuter | |
Nominative | -ius | -ia | -ium | -iī | -iae | -ia | |
Genitive | -iī | -iae | -iī | -iōrum | -iārum | -iōrum | |
Dative | -iō | -iae | -iō | -iīs | -iīs | -iīs | |
Accusative | -ium | -iam | -ium | -iōs | -iās | -ia | |
Ablative | -iō | -iā | -iō | -iīs | -iīs | -iīs | |
Vocative | -ie | -ia | -ium | -iī | -iae | -ia |
Usage notes
The suffix -ius is added to a noun to form an adjective indicating "made of" or "belonging to" that noun.
- Examples:
- pater (“father”) + -ius → patrius (“paternal”)
- rēx (“king, ruler”) + -ius → rēgius (“kingly, royal”)
- uxor (“wife”) + -ius → uxōrius (“uxorious”)
Derived terms
- -ium
► <a class='CategoryTreeLabel CategoryTreeLabelNs14 CategoryTreeLabelCategory' href='/wiki/Category:Latin_words_suffixed_with_-ius' title='Category:Latin words suffixed with -ius'>Latin words suffixed with -ius</a>
Synonyms
- -āceus
- -āneus
- -ticus
References
- “-ius” on page 986/1 of the Oxford Latin Dictionary (1st ed., 1968–82)
Etymology 2
See -ior (suffix forming adjectives’ comparative degrees).
Suffix
-ius
- nominative neuter singular of -ior
- accusative neuter singular of -ior
- vocative neuter singular of -ior
Etymology 3
See -ō (suffix forming adverbs).
Suffix
-ius
- comparative degree of -ō
Etymology 4
From Proto-Italic *-osjo, itself from Proto-Indo-European *-ósyo, genitive case suffix.
Suffix
-ius
- genitive suffix for some irregular pronouns.
Usage notes
It is only used in specific irregular pronouns for the genetive case.
- Examples
- qui, cuius
- hic, huius
- is, eius